/*

<This Java Class is part of the jMusic API version 1.5, March 2004.>

Copyright (C) 2000 Andrew Sorensen & Andrew Brown

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or any
later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

package jm.audio.synth;

import jm.audio.AOException;
import jm.audio.AudioObject;

/**
 * The Splitter AudioObject is responsible for splitting in input
 * signal into multiple output signals.
 *
 * @author Andrew Sorensen
 * @version 1.0, Sun Feb 25 18:42:51  2001
 */

public final class Splitter extends AudioObject {
    //----------------------------------------------
    // Attributes
    //----------------------------------------------
    /**
     * Stored buffer of samples
     */
    float[] buf = null;
    /**
     * The number of outputs that have currently requested buffers
     */
    int count = 0;
    /**
     * The number of outputs to service
     */
    int outputs = 0;

    //----------------------------------------------
    // Constructors
    //----------------------------------------------

    /**
     * @param ao      the single AudioObject taken as input.
     * @param outputs the number of outputs to support.
     */
    public Splitter(AudioObject ao) {
        super(ao, "[Volume]");
    }

    //----------------------------------------------
    // Public Methods
    //----------------------------------------------

    /**
     */
    public void build() {
        this.outputs = this.next.length;
    }

    //----------------------------------------------
    // Protected Methods
    //----------------------------------------------

    /**
     */
    public int work(float[] buffer) throws AOException {
        if (count == 0) {
            this.buf = new float[buffer.length];
            this.previous[0].nextWork(buf);
        }
        if (++count == outputs) count = 0;
        for (int i = 0; i < this.buf.length; i++) {
            buffer[i] = this.buf[i];
        }
        return this.buf.length;
    }
}
